Some call her Lilith, others - the Queen, and others - the witch. But for her sisters she is the Thirteenth Fairy, a powerful avenger who has risen from sleep. And her revenge is terrible - five of the twelve sisters fell in a desperate struggle. The time of judgment is approaching: in distant Antarctica, the kingdom of snow and eternal ice, the surviving sisters will decide the fate of the most dangerous of fairies. Only the Seventh Fairy knows the secret of awakening the witch and knows how to put an end to evil. But her strength is running out, and with it, her only chance to call the Queen to account...